All engineering work and all land surveying work is considered work of a professional nature and shall be performed in conformance with 250 CMR unless such work falls within an exemption set forth in M.G.L. c. 112, § 81R. Consistent with M.G.L. c. 112, § 81D, 250 CMR 5.00 does not apply to work performed by persons who operate, maintain or install machinery or equipment, or to persons licensed as engineers under M.G.L. c. 146.

1. (1) Engineering work may be performed only by a Professional Engineer or under the Direct Charge and Supervision of a Professional Engineer as described in 250 CMR 5.04.

2. (2) Land surveying work may be performed only by Professional Land Surveyor or under the Direct Charge and Supervision of a Professional Land Surveyor as described in 250 CMR 5.04.

   1. (a) A Professional Engineer qualified in the Branch of civil engineering may also perform land surveying incidental to his or her engineering work relative to locating or relocating any of the Fixed-works embraced within the practice of civil engineering, but excluding the determination of property lines.
   2. (b) The delineation of existing or proposed structures, features or Boundaries relative to property lines requires the determination of property lines and therefore must be performed by a Professional Land Surveyor.
3. (3) Engineering Registrants must restrict engineering practice to areas of competence based upon their education and experience qualifications.
4. (4) Land Surveying Registrants must restrict land surveying practice to areas of competence based upon their education and experience qualifications.